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<div class="title">S110_nRF51822/Board/nrf6310_nrf2752/ble/ble_app_gzll/ble_app_gzll_device.c</div>  </div>
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<a href="ble__app__gzll__device_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.</span>
<a name="l00002"></a>00002 <span class="comment"> *</span>
<a name="l00003"></a>00003 <span class="comment"> * The information contained herein is confidential property of Nordic</span>
<a name="l00004"></a>00004 <span class="comment"> * Semiconductor ASA.Terms and conditions of usage are described in detail</span>
<a name="l00005"></a>00005 <span class="comment"> * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensees are granted free, non-transferable use of the information. NO</span>
<a name="l00008"></a>00008 <span class="comment"> * WARRANTY of ANY KIND is provided. This heading must NOT be removed from</span>
<a name="l00009"></a>00009 <span class="comment"> * the file.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * $$</span>
<a name="l00012"></a>00012 <span class="comment"> */</span>
<a name="l00013"></a>00013 
<a name="l00020"></a>00020 <span class="preprocessor">#include &quot;<a class="code" href="ble__app__gzll__device_8h.html">ble_app_gzll_device.h</a>&quot;</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;stdint.h&gt;</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &quot;<a class="code" href="nordic__common_8h.html" title="Common defines and macros for firmware developed by Nordic Semiconductor.">nordic_common.h</a>&quot;</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &quot;<a class="code" href="nrf__assert_8h.html" title="Utilities for verifying program logic.">nrf_assert.h</a>&quot;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &quot;nrf_gpio.h&quot;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &quot;nrf_gzll.h&quot;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &quot;<a class="code" href="ble__nrf6310__pins_8h.html">ble_nrf6310_pins.h</a>&quot;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &quot;<a class="code" href="ble__app__gzll__ui_8h.html">ble_app_gzll_ui.h</a>&quot;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="preprocessor">#define GET_GAZELL_ERROR()\</span>
<a name="l00031"></a>00031 <span class="preprocessor">    do {\</span>
<a name="l00032"></a>00032 <span class="preprocessor">        nrf_gzll_error_code_t ERR_CODE = nrf_gzll_get_error_code();\</span>
<a name="l00033"></a>00033 <span class="preprocessor">        UNUSED_VARIABLE(ERR_CODE);\</span>
<a name="l00034"></a>00034 <span class="preprocessor">        ASSERT(false);\</span>
<a name="l00035"></a>00035 <span class="preprocessor">    } while (0)</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="keyword">static</span> uint8_t gzll_packet[8];
<a name="l00038"></a>00038 
<a name="l00039"></a>00039 
<a name="l00042"></a><a class="code" href="group__ble__sdk__app__gzll__gazell__part.html#ga422e418048ac1521cb4a16f5131c71cc">00042</a> <span class="keywordtype">void</span> <a class="code" href="group__ble__sdk__app__gzll__gazell__part.html#ga422e418048ac1521cb4a16f5131c71cc" title="Start Gazell functionality.">gzll_app_start</a>(<span class="keywordtype">void</span>)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044     <span class="keywordtype">bool</span> gzll_call_ok;
<a name="l00045"></a>00045 
<a name="l00046"></a>00046     gzll_call_ok  = nrf_gzll_init(NRF_GZLL_MODE_DEVICE);
<a name="l00047"></a>00047     <span class="keywordflow">if</span> (!gzll_call_ok)
<a name="l00048"></a>00048     {
<a name="l00049"></a>00049         GET_GAZELL_ERROR();
<a name="l00050"></a>00050     }
<a name="l00051"></a>00051     
<a name="l00052"></a>00052     gzll_call_ok = nrf_gzll_set_max_tx_attempts(100);
<a name="l00053"></a>00053     <span class="keywordflow">if</span> (!gzll_call_ok)
<a name="l00054"></a>00054     {
<a name="l00055"></a>00055         GET_GAZELL_ERROR();
<a name="l00056"></a>00056     }
<a name="l00057"></a>00057     
<a name="l00058"></a>00058     gzll_call_ok = nrf_gzll_enable();
<a name="l00059"></a>00059     <span class="keywordflow">if</span> (!gzll_call_ok)
<a name="l00060"></a>00060     {
<a name="l00061"></a>00061         GET_GAZELL_ERROR();
<a name="l00062"></a>00062     }
<a name="l00063"></a>00063 
<a name="l00064"></a>00064     <span class="comment">// Add a packet to the TX FIFO to start the data transfer. </span>
<a name="l00065"></a>00065     <span class="comment">// From here on more data will be added through the Gazell callbacks</span>
<a name="l00066"></a>00066     gzll_packet[0] = 0x80;
<a name="l00067"></a>00067     gzll_call_ok = nrf_gzll_add_packet_to_tx_fifo(0, gzll_packet, 8);
<a name="l00068"></a>00068     <span class="keywordflow">if</span> (!gzll_call_ok)
<a name="l00069"></a>00069     {
<a name="l00070"></a>00070         GET_GAZELL_ERROR();
<a name="l00071"></a>00071     }
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 
<a name="l00075"></a><a class="code" href="group__ble__sdk__app__gzll__gazell__part.html#ga9c702692c7ba5c2ece8ddfdc370901a9">00075</a> <span class="keywordtype">void</span> <a class="code" href="group__ble__sdk__app__gzll__gazell__part.html#ga9c702692c7ba5c2ece8ddfdc370901a9" title="Stops Gazell.">gzll_app_stop</a>()
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077     <span class="comment">// Disable gazell</span>
<a name="l00078"></a>00078     nrf_gzll_disable();
<a name="l00079"></a>00079     
<a name="l00080"></a>00080     <span class="comment">// Wait for Gazell to shut down</span>
<a name="l00081"></a>00081     <span class="keywordflow">while</span> (nrf_gzll_is_enabled())
<a name="l00082"></a>00082     {
<a name="l00083"></a>00083         <span class="comment">// Do nothing.</span>
<a name="l00084"></a>00084     }
<a name="l00085"></a>00085     
<a name="l00086"></a>00086     <span class="comment">// Clean up after Gazell</span>
<a name="l00087"></a>00087     NRF_POWER-&gt;PERPOWER &amp;= ~POWER_PERPOWER_RADIO_Msk;
<a name="l00088"></a>00088     NRF_POWER-&gt;PERPOWER &amp;= ~POWER_PERPOWER_TIMER2_Msk;
<a name="l00089"></a>00089     NVIC_DisableIRQ(RADIO_IRQn);
<a name="l00090"></a>00090     NVIC_DisableIRQ(TIMER2_IRQn);   
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 
<a name="l00093"></a>00093 
<a name="l00094"></a>00094 <span class="keywordtype">void</span> nrf_gzll_device_tx_success(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096     <span class="keywordtype">bool</span>       push_ok;
<a name="l00097"></a>00097     <span class="keyword">static</span> <span class="keywordtype">int</span> cpt = 0;
<a name="l00098"></a>00098     uint8_t dummy[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
<a name="l00099"></a>00099     uint32_t dummy_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
<a name="l00100"></a>00100     
<a name="l00101"></a>00101 
<a name="l00102"></a>00102     <span class="comment">// If an ACK was received, we send another packet. </span>
<a name="l00103"></a>00103     <a class="code" href="group__nrf__gpio.html#gacaf7e8e242a47f7b635bbeca5c5934a3" title="Set GPIO pin.">nrf_gpio_pin_set</a>(GZLL_TX_SUCCESS_LED_PIN_NO);
<a name="l00104"></a>00104     <a class="code" href="group__nrf__gpio.html#gaf3de3729249d55592c86ecfa97fb9347" title="Clear GPIO pin.">nrf_gpio_pin_clear</a>(GZLL_TX_FAIL_LED_PIN_NO);
<a name="l00105"></a>00105 
<a name="l00106"></a>00106     <span class="keywordflow">if</span> (tx_info.payload_received_in_ack)
<a name="l00107"></a>00107     {
<a name="l00108"></a>00108         <span class="comment">// if data received attached to the ack, pop them.</span>
<a name="l00109"></a>00109         push_ok = nrf_gzll_fetch_packet_from_rx_fifo(pipe, dummy, &amp;dummy_length);
<a name="l00110"></a>00110         <span class="keywordflow">if</span> (!push_ok)
<a name="l00111"></a>00111         {
<a name="l00112"></a>00112             GET_GAZELL_ERROR();
<a name="l00113"></a>00113         }
<a name="l00114"></a>00114     }
<a name="l00115"></a>00115 
<a name="l00116"></a>00116     cpt++;
<a name="l00117"></a>00117     <span class="keywordflow">if</span> (cpt &gt; 3)
<a name="l00118"></a>00118     {
<a name="l00119"></a>00119         cpt = 0;
<a name="l00120"></a>00120         gzll_packet[0] = ~(gzll_packet[0]);
<a name="l00121"></a>00121         <span class="keywordflow">if</span> (gzll_packet[0] == 0x80)
<a name="l00122"></a>00122         {
<a name="l00123"></a>00123             gzll_packet[0] = 0x00;
<a name="l00124"></a>00124         }
<a name="l00125"></a>00125         gzll_packet[0] &lt;&lt;= 1;
<a name="l00126"></a>00126         <span class="keywordflow">if</span> (gzll_packet[0] == 0)
<a name="l00127"></a>00127         {
<a name="l00128"></a>00128             gzll_packet[0]++;
<a name="l00129"></a>00129         }
<a name="l00130"></a>00130         gzll_packet[0] = ~(gzll_packet[0]);
<a name="l00131"></a>00131     }
<a name="l00132"></a>00132     push_ok = nrf_gzll_add_packet_to_tx_fifo(0, gzll_packet, 8);
<a name="l00133"></a>00133     <span class="keywordflow">if</span> (!push_ok)
<a name="l00134"></a>00134     {
<a name="l00135"></a>00135         GET_GAZELL_ERROR();
<a name="l00136"></a>00136     }
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 
<a name="l00139"></a>00139 
<a name="l00140"></a>00140 <span class="keywordtype">void</span> nrf_gzll_device_tx_failed(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142     <span class="keywordtype">bool</span> push_ok;
<a name="l00143"></a>00143     uint8_t dummy[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
<a name="l00144"></a>00144     uint32_t dummy_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
<a name="l00145"></a>00145 
<a name="l00146"></a>00146     <span class="comment">// If the transmission failed, send a new packet.</span>
<a name="l00147"></a>00147     <a class="code" href="group__nrf__gpio.html#gacaf7e8e242a47f7b635bbeca5c5934a3" title="Set GPIO pin.">nrf_gpio_pin_set</a>(GZLL_TX_FAIL_LED_PIN_NO);
<a name="l00148"></a>00148     <a class="code" href="group__nrf__gpio.html#gaf3de3729249d55592c86ecfa97fb9347" title="Clear GPIO pin.">nrf_gpio_pin_clear</a>(GZLL_TX_SUCCESS_LED_PIN_NO);
<a name="l00149"></a>00149 
<a name="l00150"></a>00150     <span class="keywordflow">if</span> (tx_info.payload_received_in_ack)
<a name="l00151"></a>00151     {
<a name="l00152"></a>00152         <span class="comment">// if data received attached to the ack, pop them.</span>
<a name="l00153"></a>00153         push_ok = nrf_gzll_fetch_packet_from_rx_fifo(pipe, dummy, &amp;dummy_length);
<a name="l00154"></a>00154         <span class="keywordflow">if</span> (!push_ok)
<a name="l00155"></a>00155         {
<a name="l00156"></a>00156             GET_GAZELL_ERROR();
<a name="l00157"></a>00157         }
<a name="l00158"></a>00158     }
<a name="l00159"></a>00159 
<a name="l00160"></a>00160     push_ok = nrf_gzll_add_packet_to_tx_fifo(0, gzll_packet, 8);
<a name="l00161"></a>00161     <span class="keywordflow">if</span> (!push_ok)
<a name="l00162"></a>00162     {
<a name="l00163"></a>00163         GET_GAZELL_ERROR();
<a name="l00164"></a>00164     }
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 
<a name="l00167"></a>00167 
<a name="l00168"></a>00168 <span class="keywordtype">void</span> nrf_gzll_host_rx_data_ready(uint32_t pipe, nrf_gzll_host_rx_info_t rx_info)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170     <span class="comment">// We dont expect to receive any data in return, but if it happens we flush the RX fifo</span>
<a name="l00171"></a>00171     <span class="keywordtype">bool</span> push_ok = nrf_gzll_flush_rx_fifo(pipe);
<a name="l00172"></a>00172     <span class="keywordflow">if</span> (!push_ok)
<a name="l00173"></a>00173     {
<a name="l00174"></a>00174         GET_GAZELL_ERROR();
<a name="l00175"></a>00175     }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 
<a name="l00178"></a>00178 
<a name="l00179"></a>00179 <span class="keywordtype">void</span> nrf_gzll_disabled()
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 
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